<template>
    <panel-head :route="route"/>
    <div class="btns">
        <el-button :icon="Plus" type="primary" @click="open(null)" size="small">新增</el-button>
    </div>
    <el-table :data="tableData.list" style="width: 100%;">
        <el-table-column prop="id" label="id" />
        <el-table-column prop="name" label="昵称" />
        <el-table-column prop="permissionName" label="菜单权限" width="500px"/>
        <el-table-column label="操作">
            <template #default="scope">
                <el-button type="primary" @click="open(scope.row)">编辑</el-button>
            </template>
        </el-table-column>
    </el-table>
    <div class="pagination-info">
        <el-pagination
            v-model:currentPage="paginationData.pageNum"
            :page-size="paginationData.pageSize"
            :background="false"
            size="small"
            layout="total, prev, pager, next"
            :total="tableData.total"
            @size-change="handleSizeChange"
            @current-change="handleCurrentChange"
        />
    </div>
    <el-dialog
    v-model="dialogFormVisable"
    :before-close="beforeClose"
    title="添加权限"
    width="500"
    >
        <el-form
        ref="formRef"
        label-width="100px"
        label-position="left"
        :model="form"
        :rules="rules"
        >
            <el-form-item v-show="false" prop="id">
                <el-input v-model="form.id"></el-input>
            </el-form-item>
            <el-form-item label="名称" prop="name">
                <el-input v-model="form.name" placeholder="请填写权限名称"></el-input>
            </el-form-item>
            <el-form-item label="权限" prop="permissions">
                <el-tree
                ref="treeRef"
                style="max-width: 600px;"
                :data="permissionData"
                node-key="id"
                show-checkbox
                :default-checked-keys="defaultKeys"
                :default-expanded-keys="[2]"
                ></el-tree>
            </el-form-item>
        </el-form>
        <template #footer>
            <div class="dialog-footer">
                <el-button type="primary" @click="confirm(formRef)">确认</el-button>
            </div>
        </template>
    </el-dialog>
</template>
<script setup>
import { ref, reactive, onMounted, nextTick } from 'vue';
import{ userGetMenu, userSetMenu, menuList } from '../../../api'
import PanelHead from '../../../components/panelHead.vue';
import { Plus } from '@element-plus/icons-vue';
import { useRoute } from 'vue-router';

const route = useRoute()

onMounted(()=>{
    userGetMenu().then(({ data }) =>{
        console.log(data)
        permissionData.value=data.data
    })
    getListData()
})

//列表数据
const tableData = reactive({
    list:[],
    total:0
})

//打开弹窗
const open = ( rowData = {} ) =>{
    dialogFormVisable.value = true
    nextTick(() =>{
        if(rowData){
            Object.assign(form, { id:rowData.id, name:rowData.name })
            treeRef.value.setCheckedKeys(rowData.permission)
        }
    })
}

const paginationData = reactive({
    pageNum: 1,
    pageSize: 10     
})

const handleSizeChange = (val) =>{
    paginationData.pageSize = val
    getListData()
}

const handleCurrentChange = (val) =>{
    paginationData.pageNum = val
    getListData()
}

const getListData = () =>{
    menuList(paginationData).then(({data})=>{
        const { list, total } = data.data
        tableData.list = list
        tableData.total = total
    })
}


const formRef = ref()

const form = reactive({
    id:'',
    name:'',
    permissions:''
})

//树形菜单权限数据
const permissionData = ref([])

//显示弹窗
const dialogFormVisable = ref(false)

//关闭弹窗
const beforeClose = () => {
    dialogFormVisable.value = false
    formRef.value.resetFields()
    treeRef.value.setCheckedKeys(defaultKeys)
}

const defaultKeys= [4,5]
const treeRef = ref()

const rules = reactive({
    name: [{ required: true, trigger: 'blur', message: '请输入权限名称' }]
})
//表单提交
const confirm = async (formEl) =>{
    if(!formEl) return
    await formEl.validate((valid, fields) =>{
        if(valid){
            const permissions = JSON.stringify(treeRef.value.getCheckedKeys())
            userSetMenu({ name: form.name, permissions, id: form.id }).then(({ data }) =>{
                beforeClose()
                getListData()
            })
        }else{
            console.log('error submit!',fields)
        }
    })
}

</script> 
<style lang="less" scoped>
.btns {
    padding: 10px 0 10px 10px;
    background-color: #fff;
}
</style>